- 22 Nov, 2018 11 commits
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José Roberto de Souza authored
We should not access hardware while computing config also we don't support stereo 3D so this test was never true. Suggested-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181121225441.18785-6-jose.souza@intel.com
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José Roberto de Souza authored
If a PSR error happened and the driver is reloaded, the EDP_PSR_IIR will still keep the error set even after the reset done in the irq_preinstall and irq_uninstall hooks. And enabling in this situation cause the screen to freeze in the first time that PSR HW tries to activate so lets keep PSR disabled to avoid any rendering problems. v5: rebased: using edp_psr_shift() v4: Moved handling from intel_psr_compute_config() to intel_psr_init() to avoid hardware access during compute(Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by:
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José Roberto de Souza authored
While PSR is active hardware will do aux transactions by it self to wakeup sink to receive a new frame when necessary. If that transaction is not acked by sink, hardware will trigger this interruption. So let's disable PSR as it is a hint that there is problem with this sink. The removed FIXME was asking to manually train the link but we don't need to do that as by spec sink should do a short pulse when it is out of sync with source, we just need to make sure it is awaken and the SDP header with PSR inactive set it will trigger the short pulse with a error set in the link status. v3: added workarround to fix scheduled work starvation cause by to frequent PSR error interruption v4: only setting irq_aux_error as we don't care in clear it and not using dev_priv->irq_lock as consequence. v5: rebased: using edp_psr_shift() Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by:
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José Roberto de Souza authored
When we detect a error and disable PSR, it is kept disabled until the next modeset but as the sink already show signs that it do not properly work with PSR lets disabled it for good to avoid any additional flickering. Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by:
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José Roberto de Souza authored
When a PSR error happens sink sets the PSR error register and also set the link status to a error status. So in the short pulse handling it was returning earlier and doing a full detection and attempting to retrain but it fails as PSR HW is in change of the main-link. Just call intel_psr_short_pulse() before intel_dp_needs_link_retrain() is not the right fix as intel_dp_needs_link_retrain() would return true and trigger a full detection while PSR HW is still in change of main-link. Check for PSR active is also not safe as it could be inactive due a frontbuffer invalidate and still doing the PSR exit sequence. v3: added comment in intel_dp_needs_link_retrain() Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by:
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José Roberto de Souza authored
Some eDP panels do not set a valid sink count value and even for the ones that sets is should always be one for eDP, that is why it is not cached in intel_edp_init_dpcd(). But intel_dp_short_pulse() compares the old count with the read one if there is a mistmatch a full port detection will be executed, what was happening in the first short pulse interruption of eDP panels that sets sink count. Instead of just skip the compasison for eDP panels, lets not read the sink count at all for eDP. v2: the previous version of this patch it was caching the sink count in intel_edp_init_dpcd() but I was pointed out by Ville a patch that handled a case of a eDP panel that do not set sink count and as sink count is not used to eDP certification was choosed to just not read it at all. Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by:
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Lyude Paul authored
While trying to add a chamelium test for short HPD IRQs, I ran into issues where a hotplug storm would be triggered, but the point at which it would be reported by the kernel would be after igt actually finished checking i915_hpd_storm_ctl's status. So, fix this by simply synchronizing our IRQ work, dig_port_work, and hotplug_work before printing out the HPD storm status in i915_hpd_storm_ctl_show(). Signed-off-by:
Lyude Paul <lyude@redhat.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20181121003718.17704-1-lyude@redhat.com
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Ville Syrjälä authored
Replace the messy framebuffer format/modifier validation code with a single call to drm_any_plane_has_format(). The code was extremely annoying to maintain as you had to have a lot of platform checks for different formats. The new code requires zero maintenance. v2: Nuke the modifier checks as well since the core does that too now v3: Call drm_any_plane_has_format() from the driver code v4: Rebase Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Signed-off-by:
Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
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Jani Nikula authored
Signed-off-by:Jani Nikula <jani.nikula@intel.com>
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Jani Nikula authored
Signed-off-by: -
Hans Holmberg authored
There is no need to rebuild i915_gpu_error.o when the version string changes as the version is available in init_utsname()->release. Signed-off-by:
Hans Holmberg <hans.holmberg@cnexlabs.com> Reviewed-by:
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by:
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- 21 Nov, 2018 8 commits
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Chris Wilson authored
When showing the list of waiters, include the task's status so that we can tell if they have been woken up and are waiting for the CPU, or if they are still waiting to be woken. v2: task_state_to_char() Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by:
Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181121151653.24595-1-chris@chris-wilson.co.uk
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Ville Syrjälä authored
If we need to force a full plane update before userspace/fbdev have given us a proper plane state we should try to maintain the current plane state as much as possible (apart from the parts of the state we're trying to fix up with the plane update). To that end add basic readout for the plane rotation and maintain it during the initial fb takeover. Cc: Hans de Goede <hdegoede@redhat.com> Fixes: 516a49cc ("drm/i915: Fix assert_plane() warning on bootup with external display") Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Reviewed-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Ville Syrjälä authored
If we force a plane update to fix up our half populated plane state we'll also force on the pipe gamma for the plane (since we always enable pipe gamma currently). If the BIOS hasn't programmed a sensible LUT into the hardware this will cause the image to become corrupted. Typical symptoms are a purple/yellow/etc. flash when the driver loads. To avoid this let's program something sensible into the LUT when we do the plane update. In the future I plan to add proper plane gamma enable readout so this is just a temporary measure. Cc: Hans de Goede <hdegoede@redhat.com> Fixes: 516a49cc ("drm/i915: Fix assert_plane() warning on bootup with external display") Signed-off-by:
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Imre Deak authored
Depending on the transcoder enum values to translate from transcoder to the corresponding CHICKEN_TRANS register can easily break if we add a new transcoder. Add an explicit mapping instead, by using helpers to look up the register instance either by transcoder or port (since unconveniently the registers have both port and transcoder specific bits). While at it also check for the correctness of GEN, port, transcoder. I wasn't sure if psr2_enabled can only be set for GEN9+, but that seems to be the case indeed (see setting of sink_psr2_support in intel_psr_init_dpcd()). v2 (Ville): - Make gen9_chicken_trans_reg() internal to intel_psr.c. - s/trans/cpu_transcoder/ Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Mika Kahola <mika.kahola@intel.com> Signed-off-by:
Imre Deak <imre.deak@intel.com> Reviewed-by:
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Imre Deak authored
Add a comment to the pipe and transcoder enum definitions about our assumption in the code about enum values for pipes and transcoders with a 1:1 transcoder -> pipe mapping. v2: - Clarify more what are the assumptions about the enum values. (Ville) v3: (Lucas) - s/->/ -> / so it looks less like pointer dereferencing. - Use pipe enums as initializers in the transcoder enum definition. Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Mika Kahola <mika.kahola@intel.com> Signed-off-by:
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Imre Deak authored
Depending on the transcoder enum values to translate from transcoder to EDP PSR flags can easily break if we add a new transcoder. So remove the dependency by using an explicit mapping. While at it also add a WARN for unexpected trancoders. v2: - Simplify things by defining flag shift values instead of indices. - s/trans/cpu_transcoder/ (Ville) v3: - Define flags to look like separate bits instead of the values of the same bitfield. (Ville) Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Lucas De Marchi <lucas.demarchi@intel.com> Cc: Mika Kahola <mika.kahola@intel.com> Signed-off-by:
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Imre Deak authored
Depending on the transcoder enum values to translate from transcoder to pipe/transcoder register addresses can easily break if we add a new transcoder. So remove the dependency by using named initializers. Suggested-by:
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Alexandre Belloni authored
Fix a spelling mistake in a comment. Signed-off-by:
Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by:
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- 20 Nov, 2018 11 commits
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Lucas De Marchi authored
Like it was done in commit 9e180d99 ("drm/i915: Downgrade unknown firmware warnings") for huc and guc: downgrade CSR firmware warnings. If we have released no firmware yet for a platform, stop scaring the consumer and merely note its expected absence. By simply removing the warning and early return we hit the condition with the appropriate message. Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by:
Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by:
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Lucas De Marchi authored
Before commit d8a5b7d7 ("drm/i915/csr: keep max firmware size together with firmare name and version") it was possible to load the firmware for testing purposes via parameter. Let's use the size of the last known platform to recover that behavior. Cc: Jani Nikula <jani.nikula@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by:
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José Roberto de Souza authored
When there is no output no one will hold a runtime_pm reference causing a warning when trying to read emom_status in debugfs. [22.756480] ------------[ cut here ]------------ [22.756489] RPM wakelock ref not held during HW access [22.756578] WARNING: CPU: 0 PID: 1058 at drivers/gpu/drm/i915/intel_drv.h:2104 gen5_read32+0x16b/0x1a0 [i915] [22.756580] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic i915 coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core e1000e snd_pcm mei_me prime_numbers mei lpc_ich [22.756595] CPU: 0 PID: 1058 Comm: debugfs_test Not tainted 4.20.0-rc1-CI-Trybot_3219+ #1 [22.756597] Hardware name: Hewlett-Packard HP Compaq 8100 Elite SFF PC/304Ah, BIOS 786H1 v01.13 07/14/2011 [22.756634] RIP: 0010:gen5_read32+0x16b/0x1a0 [i915] [22.756637] Code: a4 ea e0 0f 0b e9 d2 fe ff ff 80 3d a5 71 19 00 00 0f 85 d3 fe ff ff 48 c7 c7 48 d0 2d a0 c6 05 91 71 19 00 01 e8 35 a4 ea e0 <0f> 0b e9 b9 fe ff ff e8 69 c6 f2 e0 85 c0 75 92 48 c7 c2 78 d0 2d [22.756639] RSP: 0018:ffffc90000f1fd38 EFLAGS: 00010282 [22.756642] RAX: 0000000000000000 RBX: ffff8801f7ab0000 RCX: 0000000000000006 [22.756643] RDX: 0000000000000006 RSI: ffffffff8212886a RDI: ffffffff820d6d57 [22.756645] RBP: 0000000000011020 R08: 0000000043e3d1a8 R09: 0000000000000000 [22.756647] R10: ffffc90000f1fd80 R11: 0000000000000000 R12: 0000000000000001 [22.756649] R13: ffff8801f7ab0068 R14: 0000000000000001 R15: ffff88020d53d188 [22.756651] FS: 00007f2878849980(0000) GS:ffff880213a00000(0000) knlGS:0000000000000000 [22.756653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [22.756655] CR2: 00005638deedf028 CR3: 0000000203292001 CR4: 00000000000206f0 [22.756657] Call Trace: [22.756689] i915_mch_val+0x1b/0x60 [i915] [22.756721] i915_emon_status+0x45/0xd0 [i915] [22.756730] seq_read+0xdb/0x3c0 [22.756736] ? lockdep_hardirqs_off+0x94/0xd0 [22.756740] ? __slab_free+0x24e/0x510 [22.756746] full_proxy_read+0x52/0x90 [22.756752] __vfs_read+0x31/0x170 [22.756759] ? do_sys_open+0x13b/0x240 [22.756763] ? rcu_read_lock_sched_held+0x6f/0x80 [22.756766] vfs_read+0x9e/0x140 [22.756770] ksys_read+0x50/0xc0 [22.756775] do_syscall_64+0x55/0x190 [22.756781] entry_SYSCALL_64_after_hwframe+0x49/0xbe [22.756783] RIP: 0033:0x7f28781dc34e [22.756786] Code: 00 00 00 00 48 8b 15 71 8c 20 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 0f 1f 40 00 8b 05 ba d0 20 00 85 c0 75 16 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 5a f3 c3 0f 1f 84 00 00 00 00 00 41 54 55 49 [22.756787] RSP: 002b:00007ffd33fa0d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [22.756790] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28781dc34e [22.756792] RDX: 0000000000000200 RSI: 00007ffd33fa0d50 RDI: 0000000000000008 [22.756794] RBP: 00007ffd33fa0f60 R08: 0000000000000000 R09: 0000000000000020 [22.756796] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638de45c2c0 [22.756797] R13: 00007ffd33fa14b0 R14: 0000000000000000 R15: 0000000000000000 [22.756806] irq event stamp: 47950 [22.756811] hardirqs last enabled at (47949): [<ffffffff810fba74>] vprintk_emit+0x124/0x320 [22.756813] hardirqs last disabled at (47950): [<ffffffff810019b0>] trace_hardirqs_off_thunk+0x1a/0x1c [22.756816] softirqs last enabled at (47518): [<ffffffff81c0033a>] __do_softirq+0x33a/0x4b9 [22.756820] softirqs last disabled at (47479): [<ffffffff8108df29>] irq_exit+0xa9/0xc0 [22.756858] WARNING: CPU: 0 PID: 1058 at drivers/gpu/drm/i915/intel_drv.h:2104 gen5_read32+0x16b/0x1a0 [i915] [22.756860] ---[ end trace bf56fa7d6a3cbf7a ] Signed-off-by:
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Chris Wilson authored
As the worker may exit by itself, we need to hold a task reference to it in the parent. References: https://bugs.freedesktop.org/show_bug.cgi?id=108735Signed-off-by:
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Jani Nikula authored
Pull in v4.20-rc3 via drm-next. Signed-off-by: -
Jani Nikula authored
Clean up fixed point temp variable initialization, use the more conventional tmp name for temp variables, add empty lines before return. No functional changes. Reviewed-by:
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Jani Nikula authored
Simply return the condition. No functional changes. Reviewed-by:
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Jani Nikula authored
No need to use a compound statement enclosed in parenthesis where a C99 compound literal will do. No functional changes. Reviewed-by:
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Jani Nikula authored
While at it, conform to kernel spacing (i.e. no space) after cast. No functional changes. Reviewed-by:
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Jani Nikula authored
Reduce bloat in one of the bigger header files. Fix some indentation while at it. No functional changes. v2: Add include guards (Joonas) Reviewed-by:
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Chris Wilson authored
Under moderate amounts of GPU stress, we can observe on Bearlake and Pineview (later gen3 models) that we execute the following batch buffer before the write into the batch is coherent. Adding extra (tested with upto 32x) MI_FLUSH to either the invalidation, flush or both phases does not solve the incoherency issue with the relocations, but emitting the MI_STORE_DWORD_IMM twice does. So be it. Fixes: 7dd4f672 ("drm/i915: Async GPU relocation processing") Testcase: igt/gem_tiled_fence_blits # blb/pnv Signed-off-by:
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- 19 Nov, 2018 6 commits
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Chris Wilson authored
Since capturing the error state requires fiddling around with the GGTT to read arbitrary buffers and is itself run under stop_machine(), it deadlocks the machine (effectively a hard hang) when run in conjunction with Broxton's VTd workaround to serialize GGTT access. v2: Store the ERR_PTR in first_error so that the error can be reported to the user via sysfs. v3: Mention the quirk in dmesg (using info as per usual) Fixes: 0ef34ad6 ("drm/i915: Serialize GTT/Aperture accesses on BXT") Signed-off-by:
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Joonas Lahtinen authored
Hide the enable_gvt modparam in the default scenario where support has not been compiled in. Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Cc: Zhi Wang <zhi.a.wang@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
Zhenyu Wang <zhenyuw@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181116144447.7836-1-joonas.lahtinen@linux.intel.com
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Joonas Lahtinen authored
Userspace portion is still missing. This reverts commit 9fa6e2f7. Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Signed-off-by:
Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181116135510.13807-2-joonas.lahtinen@linux.intel.com
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Joonas Lahtinen authored
Userspace portion is still missing. This reverts commit cd956bfc. Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Signed-off-by:
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git://people.freedesktop.org/~agd5f/linuxDave Airlie authored
New features for 4.21: amdgpu: - Support for SDMA paging queue on vega - Put compute EOP buffers into vram for better performance - Share more code with amdkfd - Support for scanout with DCC on gfx9 - Initial kerneldoc for DC - Updated SMU firmware support for gfx8 chips - Rework CSA handling for eventual support for preemption - XGMI PSP support - Clean up RLC handling - Enable GPU reset by default on VI, SOC15 dGPUs - Ring and IB test cleanups amdkfd: - Share more code with amdgpu ttm: - Move global init out of the drivers scheduler: - Track if schedulers are ready for work - Timeout/fault handling changes to facilitate GPU recovery Signed-off-by:
Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181114165113.3751-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-miscDave Airlie authored
drm-misc-next for v4.21, part 1: UAPI Changes: - Add syncobj timeline support to drm. Cross-subsystem Changes: - Remove shared fence staging in dma-buf's fence object, and allow reserving more than 1 fence and add more paranoia when debugging. - Constify infoframe functions in video/hdmi. Core Changes: - Add vkms todo, and a lot of assorted doc fixes. - Drop transitional helpers and convert drivers to use drm_atomic_helper_shutdown(). - Move atomic state helper functions to drm_atomic_state_helper.[ch] - Refactor drm selftests, and add new tests. - DP MST atomic state cleanups. - Drop EXPORT_SYMBOL from drm leases. - Lease cleanups and fixes. - Create render node for vgem. Driver Changes: - Fix build failure in imx without fbdev emulation. - Add rotation quirk for GPD win2 panel. - Add support for various CDTech panels, Banana Pi Panel, DLC1010GIG, Olimex LCD-O-LinuXino, Samsung S6D16D0, Truly NT35597 WQXGA, Himax HX8357D, simulated RTSM AEMv8. - Add dw_hdmi support to rockchip driver. - Fix YUV support in vc4. - Fix resource id handling in virtio. - Make rockchip use dw-mipi-dsi bridge driver, and add dual dsi support. - Advertise that tinydrm only supports DRM_FORMAT_MOD_LINEAR. - Convert many drivers to use atomic helpers, and drm_fbdev_generic_setup(). - Add Mali linear tiled formats, and enable them in the Mali-DP driver. - Add support for H6 DE3 mixer 0, DW HDMI, HDMI PHY and TCON TOP. - Assorted driver cleanups and fixes. Signed-off-by:
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- 18 Nov, 2018 4 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimmLinus Torvalds authored
Pull libnvdimm fixes from Dan Williams: "A small batch of fixes for v4.20-rc3. The overflow continuation fix addresses something that has been broken for several releases. Arguably it could wait even longer, but it's a one line fix and this finishes the last of the known address range scrub bug reports. The revert addresses a lockdep regression. The unit tests are not critical to fix, but no reason to hold this fix back. Summary: - Address Range Scrub overflow continuation handling has been broken since it was initially merged. It was only recently that error injection and platform-BIOS support enabled this corner case to be exercised. - The recent attempt to provide more isolation for the kernel Address Range Scrub state machine from userapace initiated sessions triggers a lockdep report. Revert and try again at the next merge window. - Fix a kasan reported buffer overflow in libnvdimm unit test infrastrucutre (nfit_test)" * tag 'libnvdimm-fixes-4.20-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: Revert "acpi, nfit: Further restrict userspace ARS start requests" acpi, nfit: Fix ARS overflow continuation tools/testing/nvdimm: Fix the array size for dimm devices. -
Linus Torvalds authored
Merge misc fixes from Andrew Morton: "16 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/memblock.c: fix a typo in __next_mem_pfn_range() comments mm, page_alloc: check for max order in hot path scripts/spdxcheck.py: make python3 compliant tmpfs: make lseek(SEEK_DATA/SEK_HOLE) return ENXIO with a negative offset lib/ubsan.c: don't mark __ubsan_handle_builtin_unreachable as noreturn mm/vmstat.c: fix NUMA statistics updates mm/gup.c: fix follow_page_mask() kerneldoc comment ocfs2: free up write context when direct IO failed scripts/faddr2line: fix location of start_kernel in comment mm: don't reclaim inodes with many attached pages mm, memory_hotplug: check zone_movable in has_unmovable_pages mm/swapfile.c: use kvzalloc for swap_info_struct allocation MAINTAINERS: update OMAP MMC entry hugetlbfs: fix kernel BUG at fs/hugetlbfs/inode.c:444! kernel/sched/psi.c: simplify cgroup_move_task() z3fold: fix possible reclaim races
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fix from Ingo Molnar: "Fix an exec() related scalability/performance regression, which was caused by incorrectly calculating load and migrating tasks on exec() when they shouldn't be" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix cpu_util_wake() for 'execl' type workloads
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